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Finding the Fourth Proportional to 105,356.84, 158,023.08 and 26,465.06

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Solution

The fourth proportional to 105,356.84, 158,023.08 and 26,465.06 is: 39,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,356.84 : 158,023.08 = 26,465.06 : x
  2. Step 2: Convert to fraction form
    105,356.84/158,023.08 = 26,465.06/x
  3. Step 3: Cross multiply
    105,356.84x = 158,023.08 × 26,465.06
  4. Step 4: Simplify right side
    105,356.84x = 4,182,090,293.58
  5. Step 5: Solve for x
    x = 4,182,090,293.58/105,356.84
  6. Step 6: Final answer
    x = 39,694.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.